<template>
  <div id="app">
    <router-view />
  </div>
</template>

<script>
export default {
  name: 'app',
  components: {},
  created() {
    // 在页面加载时读取sessionStorage里的状态信息
    if (sessionStorage.getItem('store')) {
      this.$store.replaceState(
        Object.assign(
          {},
          this.$store.state,
          JSON.parse(sessionStorage.getItem('store'))
        )
      )
    }

    // 在页面刷新时将vuex里的信息保存到sessionStorage里
    window.addEventListener('beforeunload', () => {
      sessionStorage.setItem('store', JSON.stringify(this.$store.state))
    })
  },
}
</script>

<style>
body {
  background: #ededed;
  font-family: 'Helvetica Neue', Helvetica, 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', '微软雅黑', Arial, sans-serif;
}
.v-tour__target--highlighted {
  box-shadow: 0 0 0 99999px rgba(0, 0, 0, 0.4) !important;
}
</style>
